Since all fuels contain some amount of sulfur, sulfuric and sulfurous acid __________ can occur if the metal temperature is below this temperature.
Answer(s): C
The best way to prevent 885º F embrittlement is to use low ________ alloys, or to avoid exposing the susceptible material to the embrittling range.
The amplitude and frequency of vibration as well as the _________ of the components are critical factors in vibration-induced fatigue.
Cavitation is best prevented by avoiding conditions that allow the absolute pressure to fall below the ___________ of the liquid or by changing the material properties.
Answer(s): D
Hardness levels above ________ are highly susceptible to hydrogen stress cracking (HF).Time-to- failure decreases as the hardness increases.
Answer(s): B
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